arch/arm/mach-w90x900/dev.c

   1 /*
   2  * linux/arch/arm/mach-w90x900/dev.c
   3  *
   4  * Copyright (C) 2009 Nuvoton corporation.
   5  *
   6  * Wan ZongShun <mcuos.com@gmail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation;version 2 of the License.
  11  *
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/types.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/list.h>
  18 #include <linux/timer.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21
  22 #include <linux/mtd/physmap.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25
  26 #include <linux/spi/spi.h>
  27 #include <linux/spi/flash.h>
  28
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31 #include <asm/mach/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <mach/regs-serial.h>
  35 #include <mach/nuc900_spi.h>
  36 #include <mach/map.h>
  37
  38 #include "cpu.h"
  39
  40 /*NUC900 evb norflash driver data */
  41
  42 #define NUC900_FLASH_BASE       0xA0000000
  43 #define NUC900_FLASH_SIZE       0x400000
  44 #define SPIOFFSET               0x200
  45 #define SPIOREG_SIZE            0x100
  46
  47 static struct mtd_partition nuc900_flash_partitions[] = {
  48         {
  49                 .name   =       "NOR Partition 1 for kernel (960K)",
  50                 .size   =       0xF0000,
  51                 .offset =       0x10000,
  52         },
  53         {
  54                 .name   =       "NOR Partition 2 for image (1M)",
  55                 .size   =       0x100000,
  56                 .offset =       0x100000,
  57         },
  58         {
  59                 .name   =       "NOR Partition 3 for user (2M)",
  60                 .size   =       0x200000,
  61                 .offset =       0x00200000,
  62         }
  63 };
  64
  65 static struct physmap_flash_data nuc900_flash_data = {
  66         .width          =       2,
  67         .parts          =       nuc900_flash_partitions,
  68         .nr_parts       =       ARRAY_SIZE(nuc900_flash_partitions),
  69 };
  70
  71 static struct resource nuc900_flash_resources[] = {
  72         {
  73                 .start  =       NUC900_FLASH_BASE,
  74                 .end    =       NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
  75                 .flags  =       IORESOURCE_MEM,
  76         }
  77 };
  78
  79 static struct platform_device nuc900_flash_device = {
  80         .name           =       "physmap-flash",
  81         .id             =       0,
  82         .dev            = {
  83                                 .platform_data = &nuc900_flash_data,
  84                         },
  85         .resource       =       nuc900_flash_resources,
  86         .num_resources  =       ARRAY_SIZE(nuc900_flash_resources),
  87 };
  88
  89 /* USB EHCI Host Controller */
  90
  91 static struct resource nuc900_usb_ehci_resource[] = {
  92         [0] = {
  93                 .start = W90X900_PA_USBEHCIHOST,
  94                 .end   = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
  95                 .flags = IORESOURCE_MEM,
  96         },
  97         [1] = {
  98                 .start = IRQ_USBH,
  99                 .end   = IRQ_USBH,
 100                 .flags = IORESOURCE_IRQ,
 101         }
 102 };
 103
 104 static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
 105
 106 static struct platform_device nuc900_device_usb_ehci = {
 107         .name             = "nuc900-ehci",
 108         .id               = -1,
 109         .num_resources    = ARRAY_SIZE(nuc900_usb_ehci_resource),
 110         .resource         = nuc900_usb_ehci_resource,
 111         .dev              = {
 112                 .dma_mask = &nuc900_device_usb_ehci_dmamask,
 113                 .coherent_dma_mask = 0xffffffffUL
 114         }
 115 };
 116
 117 /* USB OHCI Host Controller */
 118
 119 static struct resource nuc900_usb_ohci_resource[] = {
 120         [0] = {
 121                 .start = W90X900_PA_USBOHCIHOST,
 122                 .end   = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
 123                 .flags = IORESOURCE_MEM,
 124         },
 125         [1] = {
 126                 .start = IRQ_USBH,
 127                 .end   = IRQ_USBH,
 128                 .flags = IORESOURCE_IRQ,
 129         }
 130 };
 131
 132 static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
 133 static struct platform_device nuc900_device_usb_ohci = {
 134         .name             = "nuc900-ohci",
 135         .id               = -1,
 136         .num_resources    = ARRAY_SIZE(nuc900_usb_ohci_resource),
 137         .resource         = nuc900_usb_ohci_resource,
 138         .dev              = {
 139                 .dma_mask = &nuc900_device_usb_ohci_dmamask,
 140                 .coherent_dma_mask = 0xffffffffUL
 141         }
 142 };
 143
 144 /* USB Device (Gadget)*/
 145
 146 static struct resource nuc900_usbgadget_resource[] = {
 147         [0] = {
 148                 .start = W90X900_PA_USBDEV,
 149                 .end   = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
 150                 .flags = IORESOURCE_MEM,
 151         },
 152         [1] = {
 153                 .start = IRQ_USBD,
 154                 .end   = IRQ_USBD,
 155                 .flags = IORESOURCE_IRQ,
 156         }
 157 };
 158
 159 static struct platform_device nuc900_device_usbgadget = {
 160         .name           = "nuc900-usbgadget",
 161         .id             = -1,
 162         .num_resources  = ARRAY_SIZE(nuc900_usbgadget_resource),
 163         .resource       = nuc900_usbgadget_resource,
 164 };
 165
 166 /* MAC device */
 167
 168 static struct resource nuc900_emc_resource[] = {
 169         [0] = {
 170                 .start = W90X900_PA_EMC,
 171                 .end   = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
 172                 .flags = IORESOURCE_MEM,
 173         },
 174         [1] = {
 175                 .start = IRQ_EMCTX,
 176                 .end   = IRQ_EMCTX,
 177                 .flags = IORESOURCE_IRQ,
 178         },
 179         [2] = {
 180                 .start = IRQ_EMCRX,
 181                 .end   = IRQ_EMCRX,
 182                 .flags = IORESOURCE_IRQ,
 183         }
 184 };
 185
 186 static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
 187 static struct platform_device nuc900_device_emc = {
 188         .name           = "nuc900-emc",
 189         .id             = -1,
 190         .num_resources  = ARRAY_SIZE(nuc900_emc_resource),
 191         .resource       = nuc900_emc_resource,
 192         .dev              = {
 193                 .dma_mask = &nuc900_device_emc_dmamask,
 194                 .coherent_dma_mask = 0xffffffffUL
 195         }
 196 };
 197
 198 /* SPI device */
 199
 200 static struct nuc900_spi_info nuc900_spiflash_data = {
 201         .num_cs         = 1,
 202         .lsb            = 0,
 203         .txneg          = 1,
 204         .rxneg          = 0,
 205         .divider        = 24,
 206         .sleep          = 0,
 207         .txnum          = 0,
 208         .txbitlen       = 1,
 209         .bus_num        = 0,
 210 };
 211
 212 static struct resource nuc900_spi_resource[] = {
 213         [0] = {
 214                 .start = W90X900_PA_I2C + SPIOFFSET,
 215                 .end   = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
 216                 .flags = IORESOURCE_MEM,
 217         },
 218         [1] = {
 219                 .start = IRQ_SSP,
 220                 .end   = IRQ_SSP,
 221                 .flags = IORESOURCE_IRQ,
 222         }
 223 };
 224
 225 static struct platform_device nuc900_device_spi = {
 226         .name           = "nuc900-spi",
 227         .id             = -1,
 228         .num_resources  = ARRAY_SIZE(nuc900_spi_resource),
 229         .resource       = nuc900_spi_resource,
 230         .dev            = {
 231                                 .platform_data = &nuc900_spiflash_data,
 232                         }
 233 };
 234
 235 /* spi device, spi flash info */
 236
 237 static struct mtd_partition nuc900_spi_flash_partitions[] = {
 238         {
 239                 .name = "bootloader(spi)",
 240                 .size = 0x0100000,
 241                 .offset = 0,
 242         },
 243 };
 244
 245 static struct flash_platform_data nuc900_spi_flash_data = {
 246         .name = "m25p80",
 247         .parts =  nuc900_spi_flash_partitions,
 248         .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
 249         .type = "w25x16",
 250 };
 251
 252 static struct spi_board_info nuc900_spi_board_info[] __initdata = {
 253         {
 254                 .modalias = "m25p80",
 255                 .max_speed_hz = 20000000,
 256                 .bus_num = 0,
 257                 .chip_select = 1,
 258                 .platform_data = &nuc900_spi_flash_data,
 259                 .mode = SPI_MODE_0,
 260         },
 261 };
 262
 263 /* WDT Device */
 264
 265 static struct resource nuc900_wdt_resource[] = {
 266         [0] = {
 267                 .start = W90X900_PA_TIMER,
 268                 .end   = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
 269                 .flags = IORESOURCE_MEM,
 270         },
 271         [1] = {
 272                 .start = IRQ_WDT,
 273                 .end   = IRQ_WDT,
 274                 .flags = IORESOURCE_IRQ,
 275         }
 276 };
 277
 278 static struct platform_device nuc900_device_wdt = {
 279         .name           = "nuc900-wdt",
 280         .id             = -1,
 281         .num_resources  = ARRAY_SIZE(nuc900_wdt_resource),
 282         .resource       = nuc900_wdt_resource,
 283 };
 284
 285 /*
 286  * public device definition between 910 and 920, or 910
 287  * and 950 or 950 and 960...,their dev platform register
 288  * should be in specific file such as nuc950, nuc960 c
 289  * files rather than the public dev.c file here. so the
 290  * corresponding platform_device definition should not be
 291  * static.
 292 */
 293
 294 /* RTC controller*/
 295
 296 static struct resource nuc900_rtc_resource[] = {
 297         [0] = {
 298                 .start = W90X900_PA_RTC,
 299                 .end   = W90X900_PA_RTC + 0xff,
 300                 .flags = IORESOURCE_MEM,
 301         },
 302         [1] = {
 303                 .start = IRQ_RTC,
 304                 .end   = IRQ_RTC,
 305                 .flags = IORESOURCE_IRQ,
 306         },
 307 };
 308
 309 struct platform_device nuc900_device_rtc = {
 310         .name           = "nuc900-rtc",
 311         .id             = -1,
 312         .num_resources  = ARRAY_SIZE(nuc900_rtc_resource),
 313         .resource       = nuc900_rtc_resource,
 314 };
 315
 316 /*TouchScreen controller*/
 317
 318 static struct resource nuc900_ts_resource[] = {
 319         [0] = {
 320                 .start = W90X900_PA_ADC,
 321                 .end   = W90X900_PA_ADC + W90X900_SZ_ADC-1,
 322                 .flags = IORESOURCE_MEM,
 323         },
 324         [1] = {
 325                 .start = IRQ_ADC,
 326                 .end   = IRQ_ADC,
 327                 .flags = IORESOURCE_IRQ,
 328         },
 329 };
 330
 331 struct platform_device nuc900_device_ts = {
 332         .name           = "nuc900-ts",
 333         .id             = -1,
 334         .resource       = nuc900_ts_resource,
 335         .num_resources  = ARRAY_SIZE(nuc900_ts_resource),
 336 };
 337
 338 /* FMI Device */
 339
 340 static struct resource nuc900_fmi_resource[] = {
 341         [0] = {
 342                 .start = W90X900_PA_FMI,
 343                 .end   = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
 344                 .flags = IORESOURCE_MEM,
 345         },
 346         [1] = {
 347                 .start = IRQ_FMI,
 348                 .end   = IRQ_FMI,
 349                 .flags = IORESOURCE_IRQ,
 350         }
 351 };
 352
 353 struct platform_device nuc900_device_fmi = {
 354         .name           = "nuc900-fmi",
 355         .id             = -1,
 356         .num_resources  = ARRAY_SIZE(nuc900_fmi_resource),
 357         .resource       = nuc900_fmi_resource,
 358 };
 359
 360 /* KPI controller*/
 361
 362 static struct resource nuc900_kpi_resource[] = {
 363         [0] = {
 364                 .start = W90X900_PA_KPI,
 365                 .end   = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
 366                 .flags = IORESOURCE_MEM,
 367         },
 368         [1] = {
 369                 .start = IRQ_KPI,
 370                 .end   = IRQ_KPI,
 371                 .flags = IORESOURCE_IRQ,
 372         }
 373
 374 };
 375
 376 struct platform_device nuc900_device_kpi = {
 377         .name           = "nuc900-kpi",
 378         .id             = -1,
 379         .num_resources  = ARRAY_SIZE(nuc900_kpi_resource),
 380         .resource       = nuc900_kpi_resource,
 381 };
 382
 383 /*Here should be your evb resourse,such as LCD*/
 384
 385 static struct platform_device *nuc900_public_dev[] __initdata = {
 386         &nuc900_serial_device,
 387         &nuc900_flash_device,
 388         &nuc900_device_usb_ehci,
 389         &nuc900_device_usb_ohci,
 390         &nuc900_device_usbgadget,
 391         &nuc900_device_emc,
 392         &nuc900_device_spi,
 393         &nuc900_device_wdt,
 394 };
 395
 396 /* Provide adding specific CPU platform devices API */
 397
 398 void __init nuc900_board_init(struct platform_device **device, int size)
 399 {
 400         platform_add_devices(device, size);
 401         platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
 402         spi_register_board_info(nuc900_spi_board_info,
 403                                         ARRAY_SIZE(nuc900_spi_board_info));
 404 }
 405